EPA Method 608Mix #4 Back Catalog number: 41004 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8542-K-ME Tallow trimethyl ammonium chloride, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 97492 UCMR 524.3 Standard Price on request 9401.17-10MG Phencyclidine hydrochloride, , Solvent-, Unit , # of units-, Cas.no. 956-90-1 Price on request